Black Iron Oxide CI 77499 E172 (i)

CI 77499: properties, uses, INCI functions, safety, alternatives Black iron oxide – triiron tetraoxide (predominantly Fe₃O₄, magnetite) Synonyms: black iron oxide, Pigment Black 11, E172 (food colorant; purity requirements are often used as a reference for cosmetic grades as well) INCI / functions: colorant Definition CI 77499 is an inorganic...